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February 15, 2019

New paper -- GMAW-P Welding of Copper-nickel Pipe Joints for Shipbuilding Applications

Virtually all ship designs utilize copper-nickel alloys for applications such as fire mains and other seawater/freshwater piping, tanks, and structures such as rope guards and fairings. The manual gas tungsten arc welding (GTAW) process that is typically used to weld copper-nickel pipe joints has relatively low productivity due to slow travel speeds and low deposition...

February 7, 2019

New Paper – Joining Challenges in the Manufacture of Motors for Electric Vehicles – Stator Winding Assemblies

Stator windings in traction motors for electric vehicles are created by joining multiple short copper wire sections. Current joining approaches for these multiple copper wire sections lack the productivity for high volume manufacturing, require an increased amount of copper for assembly, and risk reduced joint strength due to softened copper from extended thermal cycles. In...

February 6, 2019

ASTM International Additive Manufacturing Center of Excellence to Host First Workshop

The ASTM International Additive Manufacturing Center of Excellence will host its first workshop on Monday, March 25 at the Auburn Marriott Opelika Resort & Spa at Grand National in Alabama, USA. The workshop immediately precedes the biannual meeting of ASTM International’s committee on additive manufacturing technologies (F42). “There is a critical demand from industry and...

January 29, 2019

New paper – Material Joining Challenges in Cable & Wiring Systems of EV-HEVs

Electric vehicle (EV) and hybrid electric vehicle (HEV) technology is rapidly evolving. Technological advances now push change not only in battery systems but in cable and wiring systems as well. Complex electrical distribution systems within EV and HEV engines are driving cutting-edge R&D in materials joining, wire harness and cable network designs, and more. Tech...

January 23, 2019

Additive Manufacturing Consortium: An Overview of Current Projects and Plans

The Additive Manufacturing Consortium (AMC), operated by EWI, conducts pre-competitive research to advance the use of AM within industry. Each year, it selects several R&D projects to support through membership fees. An overview of AMC projects is presented in a new article, The Additive Manufacturing Consortium: Current Projects and Plans for 2019. by EWI Director...

January 21, 2019

EWI Research Helps MTI Develop Low-force Friction Welding Solution for Rail

The rail industry has long been seeking a more dependable, longer-lasting way to weld rail lines. The standard joining methods, flash-butt welding and thermite welding, produce joints with short weld lives and require frequent repair. To address this issue, EWI conducted research on linear friction welding (LFW) as a potential method for joining rail. The...